A member of the U.N. Disengagement Observer Force carries binoculars at an observation post in the Golan Heights
A member of the U.N. Disengagement Observer Force (UNDOF) carries binoculars at an observation post in the Golan Heights that overlooks the Syrian side of the Qunietra crossing August 28, 2014. Syrian jets shelled rebel positions near the border crossing close to the Israeli-occupied Golan Heights that was seized by rebels in some of the heaviest clashes in the strategic area this year, rebels and residents said on Thursday. A U.N. spokeswoman earlier said the organisation's peacekeepers could not confirm whether the rebels had seized the crossing, "as fighting is ongoing" at one of its gates. REUTERS/Ronen Zvulun (CIVIL UNREST POLITICS CONFLICT TPX IMAGES OF THE DAY)
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Members of the Kurdish People's Protection Units man a weapon mounted on a pick-up truck as they take position behind cement blocks in the Iraqi city of Rabia
Members of the Kurdish People's Protection Units (YPG) man a weapon mounted on a pick-up truck as they take position behind cement blocks in the Iraqi city of Rabia on the Iraqi-Syrian border, where clashes with Islamic State militants are taking place August 29, 2014. REUTERS/Rodi Said (IRAQ - Tags: POLITICS CIVIL UNREST CONFLICT TPX IMAGES OF THE DAY)
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A general view shows the entrance of the Iraqi city of Rabia on the Iraqi-Syrian border, where clashes between members of the Kurdish People's Protection Units and Islamic State militants are taking place
A general view shows the entrance of the Iraqi city of Rabia on the Iraqi-Syrian border, where clashes between members of the Kurdish People's Protection Units (YPG) and Islamic State militants are taking place August 29, 2014. REUTERS/Rodi Said (IRAQ - Tags: POLITICS CIVIL UNREST CONFLICT)
A general view shows a deserted road in the Iraqi city of Rabia on the Iraqi-Syrian border, where clashes between members of the Kurdish People's Protection Units (YPG) and Islamic State militants are taking place
A general view shows a deserted road in the Iraqi city of Rabia on the Iraqi-Syrian border, where clashes between members of the Kurdish People's Protection Units (YPG) and Islamic State militants are taking place August 29, 2014. REUTERS/Rodi Said (IRAQ - Tags: POLITICS CIVIL UNREST CONFLICT)
A member of the Kurdish People's Protection Units takes a position behind cement blocks in the Iraqi city of Rabia on the Iraqi-Syrian border, where clashes with Islamic State militants are taking place
A member of the Kurdish People's Protection Units (YPG) takes a position behind cement blocks in the Iraqi city of Rabia on the Iraqi-Syrian border, where clashes with Islamic State militants are taking place August 29, 2014. REUTERS/Rodi Said (IRAQ - Tags: POLITICS CIVIL UNREST CONFLICT)